% find . -name "*.java" -print0 |xargs -0 cat [] public class DigitObserver implements Observer { @Override public void update(NumberGenerator generator) { System.out.println("DigitObserver:" + generator.getNumber()); try { Thread.sleep(10…

awt初めて触ったー。javascriptでも実装したいな。 % find . -name "*.java" -print0 |xargs -0 cat [] public interface Colleague { public abstract void setMediator(Mediator mediator); public abstract void setCollegueEnabled(boolean enabled); } …